516 Dream Drug Too Good to Be True?\" reported in 2004 on a weight-loss drug cal

Question

516 Dream Drug Too Good to Be True?" reported in 2004 on a weight-loss drug called rimonabant: "It will make a person uninterested in fattening foods, they have heard from news reports and word of mouth. Weight will just melt away, and fat accumulating around the waist and abdomen will be the first to go. And by the way, those who take it will end up with higher levels of HDL, the good cholesterol. If they smoke, they will find it easier to quit. If they are heavy drinkers, they will no longer crave alcohol. 'Holy cow, does it also grow hair?" asked Dr. Catherine D. DeAngelis, editor of the Journal of the American Medical Association. [. ..] With an analysis limited to those who completed the study, rimonabant resulted in an average weight loss of about 19 pounds. In comparison, patients who receiveda placebo and who, like the rimonabant patients, were given a diet and consultations with a dietician, lost about 5 pounds per year." a. These boxplots show two possible configurations of data where drug-takers lose an average of 19 pounds and placebo-takers lose an average of 5 pounds 40 30 20- 3 0 Placebo Rimonabant

Explanation / Answer

The most convincing one is the option 4, 3500 people were studied, and the data resulted in the second side-by-side boxplots,

As the number of samples is large so that result will be more accurate, and second side-by-side boxplot show less range as compare to the first plot, which is more helpful to understanding the effect

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